Zhvilluesit e OpenSSH vazhduan ndarjen e sshd n\u00eb disa skedar\u00eb t\u00eb ve\u00e7ant\u00eb ekzekutiv\u00eb. N\u00eb faz\u00ebn e par\u00eb t\u00eb ndarjes, e realizuar n\u00eb maj, funksionet e lidhura me trajtimin e seancave u transferuan n\u00eb nj\u00eb proces t\u00eb ve\u00e7ant\u00eb, sshd-session, nd\u00ebrsa n\u00eb sshd mbeti vet\u00ebm funksionaliteti i nevojsh\u00ebm p\u00ebr pranim t\u00eb nj\u00eb lidhjeje t\u00eb re rrjeti dhe fillimin e sshd-session p\u00ebr \u00e7do seanc\u00eb t\u00eb re. Dje, n\u00eb baz\u00ebn e kodit t\u00eb OpenSSH u b\u00eb nj\u00eb ndryshim, duke shtuar nj\u00eb proces tjet\u00ebr \u2014 sshd-auth, n\u00eb t\u00eb cilin u transferua kodi q\u00eb realizon autentikimin nga sshd-session. <\/p>\n
Procesi sshd-auth nis nga sshd-session dhe lejon izolimin e t\u00eb dh\u00ebnave t\u00eb lidhura me autentifikimin n\u00eb hap\u00ebsir\u00ebn adresuese t\u00eb nj\u00eb procesi t\u00eb ve\u00e7ant\u00eb, q\u00eb nuk do t\u00eb lejoj\u00eb aksesin n\u00eb k\u00ebto t\u00eb dh\u00ebna n\u00eb rast se ndodhin sulme ndaj kodit q\u00eb p\u00ebrdoret p\u00ebr menaxhimin e fazave t\u00eb lidhjes deri n\u00eb p\u00ebrfundimin e autentifikimit. P\u00ebr m\u00eb tep\u00ebr, ky ndryshim pak\u00ebsom konsumimin e memories, pasi kodi i lidhur me autentifikimin tani \u00ebsht\u00eb i pranish\u00ebm n\u00eb memorie vet\u00ebm gjat\u00eb procesit t\u00eb autentifikimit dhe m\u00eb pas shkarkon kur p\u00ebrfundon procesi sshd-auth. <\/p>\n
Me t\u00eb nj\u00ebjt\u00ebn logjik\u00eb si sshd, ssh-session dhe ssh-agent, p\u00ebr procesin sshd-auth u aplikua operacioni i rregullt i rishikimit t\u00eb rast\u00ebsish\u00ebm t\u00eb skedarit ekzekutiv gjat\u00eb \u00e7do ngarkese t\u00eb sistemit operativ. Rishikimi i rast\u00ebsish\u00ebm e b\u00ebn t\u00eb pavendosur pozicionin e funksioneve n\u00eb skedar\u00ebt ekzekutiv\u00eb dhe bibliotekat, duke e v\u00ebshtir\u00ebsuar k\u00ebshtu krijimin e exploiteve q\u00eb p\u00ebrdorin metodat e programimit t\u00eb orientuar nga kthimi (ROP \u2014 Return-Oriented Programming). Duke p\u00ebrdorur teknik\u00ebn ROP, sulmuesi nuk p\u00ebrpiqet t\u00eb vendos\u00eb kodin e tij n\u00eb memorie, por vepron me pjes\u00eb ekzistuese t\u00eb instrukcioneve makinerike, q\u00eb p\u00ebrfundojn\u00eb me nj\u00eb instruksion kthimi t\u00eb kontrollit (zakonisht fundet e funksioneve). Puna e eksploitit p\u00ebrfshin nd\u00ebrtimin e nj\u00eb vargu thirrjesh t\u00eb k\u00ebtyre blloqeve ('gadgets') p\u00ebr t\u00eb arritur funksionalitetin e d\u00ebshiruar. \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 OpenSSH \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u043b\u0438 \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u0435 sshd \u043d\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432. \u041d\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u0432 \u043c\u0430\u0435 \u043f\u0435\u0440\u0432\u043e\u043c \u044d\u0442\u0430\u043f\u0435 \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0438\u0437 sshd \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 sshd-session \u0431\u044b\u043b\u0438 \u0432\u044b\u043d\u0435\u0441\u0435\u043d\u044b \u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0441\u0435\u0430\u043d\u0441\u043e\u0432, \u0430 \u0432 sshd \u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u043b\u0438\u0448\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c, \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u0430\u044f \u0434\u043b\u044f \u043f\u0440\u0438\u0451\u043c\u0430 \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430 sshd-session \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0430\u043d\u0441\u0430. \u0412\u0447\u0435\u0440\u0430 \u0432 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 OpenSSH \u0431\u044b\u043b\u043e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-120192","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47N\u00eb OpenSSH kodi i autentifikimit \u00ebsht\u00eb transferuar n\u00eb nj\u00eb proces t\u00eb ve\u00e7ant\u00eb sshd-auth | ProHoster","description":"Filozof\u00ebt e OpenSSH vazhduan ndarjen e sshd n\u00eb disa skedar\u00eb ekzekutiv\u00eb t\u00eb 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Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"